NGC 184

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Galaxy
NGC 184
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SDSS recording
SDSS recording
AladinLite
Constellation Andromeda
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 00 h 38 m 35.8 s
declination + 29 ° 26 ′ 51 ″
Appearance
Morphological type S0 / a  
Brightness  (visual) 14.6 mag
Brightness  (B-band) 15.6 mag
Angular expansion 0 ′, 7 × 0 ′, 2
Position angle 5 °
Surface brightness 12.4 mag / arcmin²
Physical data
Affiliation Abell 71  
Redshift 0.017642 ± 0.000033  
Radial velocity 5289 ± 10 km / s  
Stroke distance
v rad  / H 0
(244 ± 17)  x  10 6  ly
(74.7 ± 5.2)  Mpc 
history
discovery Édouard Stephan
Discovery date October 6, 1883
Catalog names
NGC  184 • PGC  2309 • CGCG  500-059 • 2MASX  J00383575 + 2926514 • LDCE 0039 NED004

NGC 184 is a lenticular galaxy of the Hubble type S0 / a in the constellation Andromeda in the northern sky . It is estimated to be 244 million light years from the Milky Way and about 50,000 light years across.
The galaxies NGC 181 and NGC 183 lie in the same area of ​​the sky .

The object was discovered on October 6, 1883 by the French astronomer Édouard Jean-Marie Stephan .

Web links

Individual evidence

  1. a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : NGC 184
  3. Seligman